A mass brawl broke out among migrants at the Sinyavinskaya poultry farm in Kirovsky District, Leningrad Oblast, Russia.
According to the Telegram channel "Mash na Moyke," about 60 people were involved in the incident.
Twenty people sustained injuries of varying severity, seven of whom are in serious condition.
During the fight, migrants used stones and wooden sticks as weapons.
Police detained 12 participants. An investigation is underway.
